Home / 13,791,515.74-19,032,291.66-7,993,660.51

Finding the Fourth Proportional to 13,791,515.74, 19,032,291.66 and 7,993,660.51

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Solution

The fourth proportional to 13,791,515.74, 19,032,291.66 and 7,993,660.51 is: 11,031,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,515.74 : 19,032,291.66 = 7,993,660.51 : x
  2. Step 2: Convert to fraction form
    13,791,515.74/19,032,291.66 = 7,993,660.51/x
  3. Step 3: Cross multiply
    13,791,515.74x = 19,032,291.66 × 7,993,660.51
  4. Step 4: Simplify right side
    13,791,515.74x = 152,137,678,257,344.34
  5. Step 5: Solve for x
    x = 152,137,678,257,344.34/13,791,515.74
  6. Step 6: Final answer
    x = 11,031,251.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.